* Update graylog to 50 and elasticsearch to 52
* Pin the ldap-domain charms
* Ensure default series, when model creation
* Update metadata urls, and default lxd channel
* Ensure lxd channel is correct
* Update/fix filebeat, elasticsearch version repos
* Added local repos for everything
* Add focal related stuff to start migrating
* Add/fix CIS related stuff
* Update/fix juju model defaults
* Add model defaults just before the juju deploy
* Add new script to initialise vault
* Update vault keys to current mode
